VoIP Links
- A history of video conferencing (VC) technology
- VoIP Bandwidth Calculator
- VoIP Products
- Character Error Rate Calculator for Text Telephony
- List of Lists of VoIP Service Providers
- Understanding VoIP
- VoIP Papers and Presentations
- H.323
- SIP
- H.323 versus SIP
- H.248
- MGCP
- TRIP
- VoIP / Video / Text Conferencing Scenarios
- Videoconferencing Tips
- Videoconferencing Buzzword Alert
- Telephone Number Lookup (US)
- North American Numbering Plan
- North American Numbering Plan Administrator
- Cisco Systems' VoIP Overview
- VoIP Information (Germany)
- VoIP Information (Spanish)
- Internet Telephony - An Overview, GMD-FOKUS documents the current state of the art of "Internet telephony."
- Communications Standards Review publishes technical reports on US and International Standards meetings for multimedia and wireline access technologies.
- European Telecommunications Standards Institute (ETSI) is a non-profit making organization whose mission is to produce the telecommunications standards that will be used for decades to come throughout Europe and beyond.
- The mission of the International Multimedia Teleconferencing Consortium (IMTC) is to promote, encourage, and facilitate the development and implementation of interoperable multimedia teleconferencing solutions based on open international standards.
- The International Telecommunication Union (ITU) is an international organization within which governments and the private sector coordinate global telecom networks and services.
- The MIT Internet & Telecoms Convergence Consortium (ITC) consists of member firms and selected academics who collaborate on research into technical, economic, strategic and policy issues that arise from the convergence of telecommunications and the Internet.
- Performance Technologies
- Third Generation Partnership Project (3GPP) for a 3rd Generation Mobile System based on the evolved GSM core networks.
- Open Mobile Alliance (OMA) facilitates global user adoption of mobile data services by specifying market driven mobile service enablers that ensure service interoperability across devices, geographies, service providers, operators, and networks
- Open Telecom is devoted to Open Source (tm) software for computer telephony.
- Accessibility laws in the USA:
- Telecommunications Act accessibility guidelines (36CFR1193)
- Electronic and information technology accessibility standards (also known as Section 508) (36CFR1194)
- Section 255 of the Telecommunications Act of 1996 (47USC255)
- Text Relay Services (for Textphones (TDD / TTY))